| Name | Country | Feature class | Latitude | Longitude | |
|---|---|---|---|---|---|
1251  | Ardrossan  Aird Rosain,Ard Rushen,Ardrosan,Ardrossan,Àird Rosain,Áird Rosain,Ардросан,Ардроссан | United Kingdom, Scotland North Ayrshire | populated place population 10,500 | N 55° 39′ 0'' | W 4° 48′ 23'' |
1252  | Moyle MYL,Moyle | United Kingdom, Northern Ireland Causeway Coast and Glens | historical second-order administrative division population 17,100 | N 55° 10′ 0'' | W 6° 10′ 0'' |
1253  | Loch Moy Loch Moy | United Kingdom, Scotland Highland | lake | N 57° 22′ 0'' | W 4° 3′ 0'' |
1254  | Mourne Mountains Beanna Boirche,Montagnes de Mourne,Montes de Mourne,Mourn,Mourne Mountains,Mourne mendiak,Mourneberg... | United Kingdom, Northern Ireland | mountains | N 54° 10′ 0'' | W 6° 5′ 0'' |
| 1255 | Mountsorrel Mountsorrel | United Kingdom, England Leicestershire > Charnwood District > Mountsorrel | populated place population 17,297 | N 52° 43′ 0'' | W 1° 9′ 0'' |
| 1256 | Mossend Mossend | United Kingdom, Scotland North Lanarkshire | populated place population 13,480 | N 55° 49′ 0'' | W 4° 0′ 0'' |
| 1257 | Loch Morlich Loch Morlich | United Kingdom, Scotland Highland | lake | N 57° 10′ 0'' | W 3° 42′ 0'' |
| 1258 | Morley Morley i West Yorkshire,Morli,mwrly ywrkshayr ghrby,Морли,مورلی، یورکشایر غربی | United Kingdom, England Leeds > Morley | seat of a third-order administrative division population 57,385 | N 53° 44′ 24'' | W 1° 35′ 55'' |
| 1259 | Moreton Moreton | United Kingdom, England Wirral | populated place population 17,670 | N 53° 24′ 0'' | W 3° 7′ 0'' |
| 1260 | Morden Morden,mo deng,莫登 | United Kingdom, England Greater London > Merton | seat of a third-order administrative division population 48,233 | N 51° 23′ 53'' | W 0° 11′ 54'' |
| 1261 | Moray Comhairle Mhoireibh,Consell de Moray,Contea di Moray,MRY,Mari,Moireibh,Moray,Moray District,Morayshi... | United Kingdom, Scotland Moray | second-order administrative division population 95,010 | N 57° 25′ 0'' | W 3° 15′ 0'' |
| 1262 | Loch Morar Lago Morar,Loch Mhorair,Loch Mhòrair,Loch Mhórair,Loch Morar,Lokh-Morar,Morar aintzira,lwkh mwrar,mo... | United Kingdom, Scotland Highland | lake | N 56° 57′ 0'' | W 5° 43′ 0'' |
| 1263 | Loch Moraig Loch Moraig | United Kingdom, Scotland Perth and Kinross | lake | N 56° 46′ 0'' | W 3° 47′ 0'' |
| 1264 | Aonach Mor | United Kingdom, Scotland Highland | mountain elevation 1220m | N 56° 48′ 46'' | W 4° 57′ 39'' |
1265  | Moor House Nature Reserve Moor House Nature Reserve | United Kingdom, England | nature reserve | N 54° 41′ 0'' | W 2° 22′ 0'' |
| 1266 | Montrose Monadh Rois,Montrose,Montrose i Angus,Montrouz,Montroz,Montrozas,Монтроз,Монтроуз | United Kingdom, Scotland Angus | populated place population 11,730 | N 56° 43′ 0'' | W 2° 28′ 1'' |
| 1267 | Monks Wood National Nature Reserve Monks Wood National Nature Reserve | United Kingdom, England | nature reserve | N 52° 24′ 0'' | W 0° 15′ 0'' |
| 1268 | Loch Monar Loch Monar | United Kingdom, Scotland Highland | lake | N 57° 25′ 0'' | W 5° 6′ 0'' |
| 1269 | Mold Mold,Moldas,Mould,Yr Wyddgrug,mo er de,moldeu,Молд,Моулд,莫爾德,몰드 | United Kingdom, Wales Flintshire > Mold | seat of a second-order administrative division population 10,058 | N 53° 10′ 0'' | W 3° 8′ 29'' |
| 1270 | Mochrum Loch Mochrum Loch | United Kingdom, Scotland | lake | N 54° 50′ 0'' | W 4° 39′ 0'' |
| 1271 | Minsmere Nature Reserve Minsmere Nature Reserve | United Kingdom, England | nature reserve | N 52° 14′ 0'' | E 1° 36′ 0'' |
| 1272 | Minehead Minehead,mynhyd,مینهید | United Kingdom, England Somerset > West Somerset District > Minehead | populated place population 11,757 | N 51° 12′ 16'' | W 3° 28′ 58'' |
| 1273 | Milngavie Milguy,Milngavie,Milngevi,Molqay,Muileann Dhaibhidh,Muileann Dhàibhidh,Muileann Dháibhidh,Мілнгеві | United Kingdom, Scotland East Dunbartonshire | populated place population 12,840 | N 55° 56′ 26'' | W 4° 19′ 23'' |
| 1274 | Millton of Clova Clova,Millton of Clova | United Kingdom, Scotland Angus | locality | N 56° 50′ 0'' | W 3° 6′ 0'' |
| 1275 | Milford Haven Aberdaugleddau,Milford,Milford Haven,Milford Heivenas,Milford Khejvun,mi er fu de gang,mylfwrd hafn,... | United Kingdom, Wales Pembrokeshire > Milford Haven | populated place population 13,582 | N 51° 42′ 46'' | W 5° 2′ 2'' |
| 1276 | Mildenhall MHZ,Mildenhall,Mildenkholl,myldnhal safk,Милденхолл,میلدنهال، سافک | United Kingdom, England Suffolk > Forest Heath District > Mildenhall | populated place population 14,382 | N 52° 20′ 40'' | E 0° 30′ 39'' |
| 1277 | Migneint Migneint | United Kingdom, Wales | area | N 52° 58′ 0'' | W 3° 50′ 0'' |
| 1278 | Loch Migdale Loch Migdale | United Kingdom, Scotland Highland | lake | N 57° 53′ 0'' | W 4° 17′ 0'' |
| 1279 | Midsomer Norton mydswmr nwrtwn,میدسومر نورتون | United Kingdom, England Bath and North East Somerset > Norton-Radstock | populated place population 13,000 | N 51° 17′ 8'' | W 2° 29′ 9'' |
| 1280 | Midlothian Edinburgensis,Edinburgh,Edinburghshire,Labhaidh Lair,Labhaidh Láir,Labhdaidh Mheadhanach,MLN,Meadhan... | United Kingdom, Scotland Midlothian | second-order administrative division population 99,880 | N 55° 49′ 24'' | W 3° 5′ 36'' |
| 1281 | Middleton Middleton | United Kingdom, England Rochdale | populated place population 45,589 | N 53° 33′ 0'' | W 2° 12′ 0'' |
| 1282 | Mexborough Mexborough,mksbwrw,مکسبورو | United Kingdom, England Doncaster > Denaby | populated place population 15,079 | N 53° 29′ 38'' | W 1° 17′ 32'' |
| 1283 | Methil Maothchoille,Medil,Methil,Metilas,Медил | United Kingdom, Scotland Fife | populated place population 10,890 | N 56° 11′ 7'' | W 3° 1′ 17'' |
| 1284 | Lake of Menteith Lake of Menteith | United Kingdom, Scotland Stirling | lake | N 56° 10′ 0'' | W 4° 17′ 0'' |
| 1285 | Melton Mowbray Melton Mowbray,Meltun Moubrej,mltwn mwbry,Мелтън Моубрей,ملتون موبری | United Kingdom, England Leicestershire > Melton District | populated place population 27,737 | N 52° 45′ 57'' | W 0° 53′ 12'' |
| 1286 | Melrose Maol Ros,Meall-Ros,Melrose,Melrose i Skottland,Melrouz,Melroz,mei er luo si,Мелроз,Մելրոուզ,梅尔罗斯 | United Kingdom, Scotland Scottish Borders | populated place population 2,500 | N 55° 35′ 58'' | W 2° 43′ 39'' |
| 1287 | Loch Mealt Loch Mealt | United Kingdom, Scotland Highland | lake | N 57° 36′ 0'' | W 6° 10′ 0'' |
| 1288 | Mayfair Mejfehr,Mejfer,Mejfeur,mefeyara,mei fei er,meifea,meipeeo,myypyyr,Мейфер,Мейфеър,Мейфэр,מייפייר,میف... | United Kingdom, England Greater London > City of Westminster | populated place | N 51° 30′ 34'' | W 0° 8′ 56'' |
| 1289 | Martnaham Loch Martnaham Loch | United Kingdom, Scotland | lake | N 55° 25′ 0'' | W 4° 32′ 0'' |
| 1290 | Marple | United Kingdom, England Stockport | populated place population 12,970 | N 53° 23′ 40'' | W 2° 3′ 46'' |
| 1291 | Market Harborough Market Harborough,Market Kharburo,XQM,markt harbwrw,Маркет Харбъро,مارکت هاربورو | United Kingdom, England Leicestershire > Harborough District | populated place population 24,779 | N 52° 28′ 39'' | W 0° 55′ 13'' |
| 1292 | Loch Maree Lago Maree,Lake Maree,Loch Ma-ruibhe,Loch Maree,Lokh-Mari,Maree,Maree aintzira,ma li hu,Лох-Мари,馬里湖 | United Kingdom, Scotland Highland | lake | N 57° 42′ 0'' | W 5° 30′ 0'' |
| 1293 | March Marcas,March,March i Cambridgeshire,Marčas,Марч,مارچ، کمبریجشر | United Kingdom, England Cambridgeshire > Fenland District > March | populated place population 21,051 | N 52° 33′ 4'' | E 0° 5′ 17'' |
| 1294 | Marazion Marazion,Marghas Yow,Marghasyow,Parvum Forum,marazywn,مارازیون | United Kingdom, England Cornwall > Marazion | populated place population 1,326 | N 50° 7′ 32'' | W 5° 28′ 30'' |
| 1295 | Mansfield Woodhouse | United Kingdom, England Nottinghamshire > Mansfield District | populated place population 18,330 | N 53° 9′ 53'' | W 1° 11′ 37'' |
| 1296 | Mangotsfield | United Kingdom, England South Gloucestershire > Downend and Bromley Heath | populated place population 36,427 | N 51° 29′ 16'' | W 2° 30′ 14'' |
| 1297 | Malham Tarn Malham Tarn | United Kingdom, England North Yorkshire | lake | N 54° 5′ 45'' | W 2° 9′ 55'' |
| 1298 | Maldon Maeldun,Malden,Maldon,Maldon i Essex,Meldona,Moldon,Mældūn,maldwn asks,Мелдона,Молдон,مالدون، اسکس | United Kingdom, England Essex > Maldon District > Maldon | populated place population 23,380 | N 51° 43′ 51'' | E 0° 40′ 28'' |
| 1299 | Mainland Mainland,Mainland i Orknoyane,Mainland i Orknøyane,Meinlant Orkadon,Mejnlend,Mor-thir,Mòr-thìr,Pomon... | United Kingdom, Scotland Orkney Islands | island | N 59° 0′ 0'' | W 3° 15′ 0'' |
| 1300 | Maghull magwl,ماگول | United Kingdom, England Sefton > Maghull | populated place population 26,997 | N 53° 30′ 58'' | W 2° 56′ 28'' |
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